namespace SolidMvvm {
	/// <summary>
	/// </summary>
	/// <param name="sender"> </param>
	/// <param name="title"> </param>
	/// <param name="prompt"> </param>
	/// <param name="defaultButton"> true for yes, false for No, null for Cancel. </param>
	/// <returns> true for OK, false for No, null for Cancel. </returns>
	public delegate bool? EventHandlerShowYesNoCancelDialog(ViewModelBase sender, string title, string prompt, bool? defaultButton);
}
